Electrically-driven shaker conveyer



July 8, 1930. 1,770,006

T. G. NYBORG ET AL ELECTRICALLY DRIVEN SHAKER couvmmn Filed Feb. 17, 1927 2 Sheets-Sheet l Ii-mm TAQE qEoRq NYBoRq, MB RK FREDERICK IIqq/Ns.

July 8, 930. T. s. NYBORG T AL I 1,770,006

ELECTRICALLY RIVEN SHAKER CONVBYER fi o o E! R Q\ a a 0 I w I J I .Z'Aqt; qronq NYBonq, 3 MARK FREDERICK mqqms,

Patented July 8, 1930 UNIT STATES PATENT OFFICE TAGE GEORG NYBORG AND MARK FREDERICK HIGGINS, OF WORCESTER, ENGLAND ELECTRICALLY-DBIVEN SHAKER GONVE'YER Application filed February 17, 1827, Serial No. 169,117, and in Great Britain. September 15, 1926.

This invention relates to electrically driven shaker conveyers and has for its object to provide a driving unit suitable for underground conditions and adapted for the various conditions to be met with in thin seams.

A driving unit for conveyers of the kind referred to made in accordance with this invention is so constructed that when assembled the unit is capable of being turned over so that it can be used as a right hand or left hand drive without alteration.

Preferably the reciprocating motion is produced by a crank driving a crosshead by means of the connecting rod and pin, the crosshead transmitting its motion to a second crosshead by means of a double acting spring. The crank shaft may be driven by gear wheel reducing gear from a motor mounted on the housing of the unit. All the gearing is preferably totally enclosed and running in oil bath. The crank may be arranged for adjustable stroke.

Referring to the accompanying ings:

Fig. l is an elevation of one form of driving unit made in accordance with this inven' tion.

Fig. 2 is a part sectional plan of Fig. 1 with one half of the housing removed.

Fig. 3 is a sectional view of the detail illustrating the means for adjusting the crank.

The housing device of the unit is formed in two parts a and b substantially symmetrically about the longitudinal axes X-X (Fig, 2) of the unit so that when one portion a or b of the housing is removed all parts are readily accessible. The portions a, b, may be described as the upper and lower surfaces.

The housing is cast with channel formed supports 0 c to rest on a hard floor or on wooden beams d if found necessary on soft floors.

An electric motor 5 is mounted at one end of the housing and is adaptec to drive the crank shaft through counter shaft 9 and gear wheels h, j, 7a, m, n. The crank 0 reciprocating the cross head 3) by means of a connecting rod g transmitting its motion to a second cross head 1" by means of a double acting spring 8. When looked at in the didrawrection of the arrow A in Fig. 1, the motor 6 is described as giving aright hand drive to the crank shaft It will be seen that owing to the similar shape of the upper'and lower channel shaped supports 0, 0, the lions 5 ing a, Z), if turned through an angle of 180 about its axis X-X would fit just as well on to the beams d by means of channels 0, 0'. This action is described as rotating the housing a, b, about its axis XX. If the housing a, b, is removed from the beams d and the said beams (Z are moved along their longitudinal axes for a sufficient distance, the housing could be rotated and replaced so that the channels 0, 0, fit on to beams d, d, whilst gear Wheels h and 9' would still be in motion. The motor 6 is then said to give a left hand drive to crank shaft 7 when viewed in the direction of the arrow in Fig. 2.

lVhat we claim and desire to secure by Letters Patent is 1. A driving unit for electrically driven shaker conveyers, a cross head, mechanism for operating said cross head, a casing containing said mechanism, the cross head being located in offset relation to the longitudinal line of the casing, with means formed on opposite sides of the casing for supporting the casing in either of two positions whereby the cross head can be positioned on either side of the longitudinal line of the casing.

2. A driving unit for electrically driven shaker conveyers, a cross head, mechanism for operating said cross head, a casing containing said mechanism, the cross head being located in offset relation to the longitudinal line of the casing, with channel formed supports formed on opposite sides of the casing for supporting the casing in either of two positions whereby the cross head can be positioned on either side of the longitudinal medial line of the casing.

3. A driving unit for electrically driven shaker conveyers, a cross head, mechanism for operating said cross head, a casing containing said mechanism, the cross head being located in offset relation to the longitudinal line of the casing, with housing formed in symmetrical halves about the longitudinal axis of the cross head, channel formed sup- 100 ports in said halves, for supporting the easing in either of two positions whereby the cross head can be positioned on either side of the longitudinal medial line of the casing.

tures.

In testimony whereof we aflix our signa- TAGE GEORG NYBORG. MARK FREDERICK HIGGINS. 

